The international fop association continues to research this extremely rare condition .

国际fop协会目前仍在继续研究这种极其罕见的疾病。

By studying 16 tissue samples from patients living with heterotopic ossification and fop , scientists noticed a spike in the compound .

通过研究从两种疾病患者中取回的16个样本，科学家注意到那种化合物的含量很多。

In a study in the journal of cellular biochemistry , researchers at northwestern university 's feinberg school of medicine found high levels of a neuropeptide called " substance p , " or sp , in both fop patients and individuals who developed heterotopic ossification .

在《细胞生物化学杂志》里的一项研究中，在西北大学范伯格医学院的研究人员发现一种被称为“物质p”或“sp”的神经肽在进行性肌肉骨化症患者和异位骨化患者中都存在很高的含量。